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<div class="title">integral_image2D.hpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *  Point Cloud Library (PCL) - www.pointclouds.org</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment"> */</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#ifndef PCL_INTEGRAL_IMAGE2D_IMPL_H_</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#define PCL_INTEGRAL_IMAGE2D_IMPL_H_</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#include &lt;cstddef&gt;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keywordtype">void</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#a0813af6ee503868e36e89f9bc2a641ea">   47</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#a0813af6ee503868e36e89f9bc2a641ea">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::setSecondOrderComputation</a> (<span class="keywordtype">bool</span> compute_second_order_integral_images)</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;{</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;  compute_second_order_integral_images_ = compute_second_order_integral_images;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;}</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keywordtype">void</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#abd371cbb789dc494ed6af29faf2f6502">   54</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#abd371cbb789dc494ed6af29faf2f6502">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::setInput</a> (<span class="keyword">const</span> DataType * data, <span class="keywordtype">unsigned</span> width,<span class="keywordtype">unsigned</span> height, <span class="keywordtype">unsigned</span> element_stride, <span class="keywordtype">unsigned</span> row_stride)</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;{</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  <span class="keywordflow">if</span> ((width + 1) * (height + 1) &gt; first_order_integral_image_.size () )</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  {</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    width_  = width;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    height_ = height;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    first_order_integral_image_.resize ( (width_ + 1) * (height_ + 1) );</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    finite_values_integral_image_.resize ( (width_ + 1) * (height_ + 1) );</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordflow">if</span> (compute_second_order_integral_images_)</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;      second_order_integral_image_.resize ( (width_ + 1) * (height_ + 1) );</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  computeIntegralImages (data, row_stride, element_stride);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160; </div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keyword">typename</span> pcl::IntegralImage2D&lt;DataType, Dimension&gt;::ElementType</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#a70bfd91805661121e56c107a98a5fd1c">   70</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#a70bfd91805661121e56c107a98a5fd1c">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::getFirstOrderSum</a> (</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> width, <span class="keywordtype">unsigned</span> height)<span class="keyword"> const</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = upper_left_idx + width;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = (start_y + height) * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = lower_left_idx + width;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;  <span class="keywordflow">return</span> (first_order_integral_image_[lower_right_idx] + first_order_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;          first_order_integral_image_[upper_right_idx] - first_order_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;}</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keyword">typename</span> pcl::IntegralImage2D&lt;DataType, Dimension&gt;::SecondOrderType</div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#af813d8e28b73a34bc9c9d492b1bf1cb9">   84</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#af813d8e28b73a34bc9c9d492b1bf1cb9">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::getSecondOrderSum</a> (</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> width, <span class="keywordtype">unsigned</span> height)<span class="keyword"> const</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = upper_left_idx + width;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = (start_y + height) * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = lower_left_idx + width;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;  <span class="keywordflow">return</span> (second_order_integral_image_[lower_right_idx] + second_order_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;          second_order_integral_image_[upper_right_idx] - second_order_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;}</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keywordtype">unsigned</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#aa00fe3e093b0a36f865f2e8f5fda6f85">   98</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#aa00fe3e093b0a36f865f2e8f5fda6f85">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::getFiniteElementsCount</a> (</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> width, <span class="keywordtype">unsigned</span> height)<span class="keyword"> const</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = upper_left_idx + width;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = (start_y + height) * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = lower_left_idx + width;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  <span class="keywordflow">return</span> (finite_values_integral_image_[lower_right_idx] + finite_values_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;          finite_values_integral_image_[upper_right_idx] - finite_values_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;}</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160; </div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keyword">typename</span> pcl::IntegralImage2D&lt;DataType, Dimension&gt;::ElementType</div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#a30cbef55397d0222caca466d770e4cd5">  112</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#a30cbef55397d0222caca466d770e4cd5">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::getFirstOrderSumSE</a> (</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> end_x, <span class="keywordtype">unsigned</span> end_y)<span class="keyword"> const</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = start_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = end_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = end_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160; </div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;  <span class="keywordflow">return</span> (first_order_integral_image_[lower_right_idx] + first_order_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;          first_order_integral_image_[upper_right_idx] - first_order_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;}</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keyword">typename</span> pcl::IntegralImage2D&lt;DataType, Dimension&gt;::SecondOrderType</div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#af420c9be60cc41e0af4406c84b286240">  126</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#af420c9be60cc41e0af4406c84b286240">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::getSecondOrderSumSE</a> (</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> end_x, <span class="keywordtype">unsigned</span> end_y)<span class="keyword"> const</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = start_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = end_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = end_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160; </div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  <span class="keywordflow">return</span> (second_order_integral_image_[lower_right_idx] + second_order_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#a0813af6ee503868e36e89f9bc2a641ea">  135</a></span>&#160;          second_order_integral_image_[upper_right_idx] - second_order_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;}</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160; </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keywordtype">unsigned</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#afa15a2cacdd74265922635d908b1f4b7">  140</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#afa15a2cacdd74265922635d908b1f4b7">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::getFiniteElementsCountSE</a> (</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> end_x, <span class="keywordtype">unsigned</span> end_y)<span class="keyword"> const</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = start_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#abd371cbb789dc494ed6af29faf2f6502">  145</a></span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = end_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = end_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  <span class="keywordflow">return</span> (finite_values_integral_image_[lower_right_idx] + finite_values_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;          finite_values_integral_image_[upper_right_idx] - finite_values_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;}</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType, <span class="keywordtype">unsigned</span> Dimension&gt; <span class="keywordtype">void</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#ae44e908bb0a14284a62be3c81eac454a">  154</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#ae44e908bb0a14284a62be3c81eac454a">pcl::IntegralImage2D&lt;DataType, Dimension&gt;::computeIntegralImages</a> (</div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#a70bfd91805661121e56c107a98a5fd1c">  155</a></span>&#160;    <span class="keyword">const</span> DataType *data, <span class="keywordtype">unsigned</span> row_stride, <span class="keywordtype">unsigned</span> element_stride)</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;{</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;  ElementType* previous_row = &amp;first_order_integral_image_[0];</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;  ElementType* current_row  = previous_row + (width_ + 1);</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  memset (previous_row, 0, <span class="keyword">sizeof</span> (ElementType) * (width_ + 1));</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;  <span class="keywordtype">unsigned</span>* count_previous_row = &amp;finite_values_integral_image_[0];</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  <span class="keywordtype">unsigned</span>* count_current_row  = count_previous_row + (width_ + 1);</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  memset (count_previous_row, 0, <span class="keyword">sizeof</span> (<span class="keywordtype">unsigned</span>) * (width_ + 1));</div>
<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#a30cbef55397d0222caca466d770e4cd5">  164</a></span>&#160; </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  <span class="keywordflow">if</span> (!compute_second_order_integral_images_)</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  {</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> rowIdx = 0; rowIdx &lt; height_; ++rowIdx, data += row_stride,</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                                                previous_row = current_row, current_row += (width_ + 1),</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;                                                count_previous_row = count_current_row, count_current_row += (width_ + 1))</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    {</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;      current_row [0].setZero ();</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;      count_current_row [0] = 0;</div>
<div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#af813d8e28b73a34bc9c9d492b1bf1cb9">  173</a></span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> colIdx = 0, valIdx = 0; colIdx &lt; width_; ++colIdx, valIdx += element_stride)</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;      {</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        current_row [colIdx + 1] = previous_row [colIdx + 1] + current_row [colIdx] - previous_row [colIdx];</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        count_current_row [colIdx + 1] = count_previous_row [colIdx + 1] + count_current_row [colIdx] - count_previous_row [colIdx];</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        <span class="keyword">const</span> InputType* element = <span class="keyword">reinterpret_cast &lt;</span><span class="keyword">const </span>InputType*<span class="keyword">&gt;</span> (&amp;data [valIdx]);</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        <span class="keywordflow">if</span> (pcl_isfinite (element-&gt;sum ()))</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        {</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;          current_row [colIdx + 1] += element-&gt;template cast&lt;typename IntegralImageTypeTraits&lt;DataType&gt;::IntegralType&gt;();</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;          ++(count_current_row [colIdx + 1]);</div>
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#af420c9be60cc41e0af4406c84b286240">  182</a></span>&#160;        }</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      }</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    }</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  }</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;  {</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    SecondOrderType* so_previous_row = &amp;second_order_integral_image_[0];</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    SecondOrderType* so_current_row  = so_previous_row + (width_ + 1);</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    memset (so_previous_row, 0, <span class="keyword">sizeof</span> (SecondOrderType) * (width_ + 1));</div>
<div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#aa00fe3e093b0a36f865f2e8f5fda6f85">  191</a></span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    SecondOrderType so_element;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> rowIdx = 0; rowIdx &lt; height_; ++rowIdx, data += row_stride,</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;                                                previous_row = current_row, current_row += (width_ + 1),</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;                                                count_previous_row = count_current_row, count_current_row += (width_ + 1),</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                                                so_previous_row = so_current_row, so_current_row += (width_ + 1))</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    {</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;      current_row [0].setZero ();</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;      so_current_row [0].setZero ();</div>
<div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#afa15a2cacdd74265922635d908b1f4b7">  200</a></span>&#160;      count_current_row [0] = 0;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> colIdx = 0, valIdx = 0; colIdx &lt; width_; ++colIdx, valIdx += element_stride)</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;      {</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        current_row [colIdx + 1] = previous_row [colIdx + 1] + current_row [colIdx] - previous_row [colIdx];</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        so_current_row [colIdx + 1] = so_previous_row [colIdx + 1] + so_current_row [colIdx] - so_previous_row [colIdx];</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;        count_current_row [colIdx + 1] = count_previous_row [colIdx + 1] + count_current_row [colIdx] - count_previous_row [colIdx];</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        <span class="keyword">const</span> InputType* element = <span class="keyword">reinterpret_cast &lt;</span><span class="keyword">const </span>InputType*<span class="keyword">&gt;</span> (&amp;data [valIdx]);</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        <span class="keywordflow">if</span> (pcl_isfinite (element-&gt;sum ()))</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        {</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;          current_row [colIdx + 1] += element-&gt;template cast&lt;typename IntegralImageTypeTraits&lt;DataType&gt;::IntegralType&gt;();</div>
<div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d.html#ae44e908bb0a14284a62be3c81eac454a">  211</a></span>&#160;          ++(count_current_row [colIdx + 1]);</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;          <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> myIdx = 0, elIdx = 0; myIdx &lt; Dimension; ++myIdx)</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;            <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> mxIdx = myIdx; mxIdx &lt; Dimension; ++mxIdx, ++elIdx)</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;              so_current_row [colIdx + 1][elIdx] += (*element)[myIdx] * (*element)[mxIdx];</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;        }</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;      }</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    }</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;  }</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;}</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160; </div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160; </div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType&gt; <span class="keywordtype">void</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d_3_01_data_type_00_011_01_4.html#a2c8b8b84ba29c93175a29c9707f184fa">  224</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#abd371cbb789dc494ed6af29faf2f6502">pcl::IntegralImage2D&lt;DataType, 1&gt;::setInput</a> (<span class="keyword">const</span> DataType * data, <span class="keywordtype">unsigned</span> width,<span class="keywordtype">unsigned</span> height, <span class="keywordtype">unsigned</span> element_stride, <span class="keywordtype">unsigned</span> row_stride)</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;{</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;  <span class="keywordflow">if</span> ((width + 1) * (height + 1) &gt; first_order_integral_image_.size () )</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  {</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <a class="code" href="classpcl_1_1_integral_image2_d.html#ac5811fffe72ca4ca16a0cc91ae124947">width_</a>  = width;</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;    <a class="code" href="classpcl_1_1_integral_image2_d.html#a1fa9d35cbc83f17774f0aafe0be2053e">height_</a> = height;</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    first_order_integral_image_.resize ( (<a class="code" href="classpcl_1_1_integral_image2_d.html#ac5811fffe72ca4ca16a0cc91ae124947">width_</a> + 1) * (<a class="code" href="classpcl_1_1_integral_image2_d.html#a1fa9d35cbc83f17774f0aafe0be2053e">height_</a> + 1) );</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    finite_values_integral_image_.resize ( (<a class="code" href="classpcl_1_1_integral_image2_d.html#ac5811fffe72ca4ca16a0cc91ae124947">width_</a> + 1) * (<a class="code" href="classpcl_1_1_integral_image2_d.html#a1fa9d35cbc83f17774f0aafe0be2053e">height_</a> + 1) );</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="classpcl_1_1_integral_image2_d.html#a6d56eebef7f710414eec2a4a00727afb">compute_second_order_integral_images_</a>)</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;      second_order_integral_image_.resize ( (<a class="code" href="classpcl_1_1_integral_image2_d.html#ac5811fffe72ca4ca16a0cc91ae124947">width_</a> + 1) * (<a class="code" href="classpcl_1_1_integral_image2_d.html#a1fa9d35cbc83f17774f0aafe0be2053e">height_</a> + 1) );</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;  }</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;  <a class="code" href="classpcl_1_1_integral_image2_d.html#ae44e908bb0a14284a62be3c81eac454a">computeIntegralImages</a> (data, row_stride, element_stride);</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;}</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160; </div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType&gt; <span class="keyword">typename</span> <a class="code" href="classpcl_1_1_integral_image2_d.html">pcl::IntegralImage2D&lt;DataType, 1&gt;::ElementType</a></div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d_3_01_data_type_00_011_01_4.html#a532d5bc36a610c24b657b571aa6e93f8">  240</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#a70bfd91805661121e56c107a98a5fd1c">pcl::IntegralImage2D&lt;DataType, 1&gt;::getFirstOrderSum</a> (</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> width, <span class="keywordtype">unsigned</span> height)<span class="keyword"> const</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = upper_left_idx + width;</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = (start_y + height) * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = lower_left_idx + width;</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160; </div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;  <span class="keywordflow">return</span> (first_order_integral_image_[lower_right_idx] + first_order_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;          first_order_integral_image_[upper_right_idx] - first_order_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;}</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160; </div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType&gt; <span class="keyword">typename</span> <a class="code" href="classpcl_1_1_integral_image2_d.html">pcl::IntegralImage2D&lt;DataType, 1&gt;::SecondOrderType</a></div>
<div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d_3_01_data_type_00_011_01_4.html#a2fff38329aacd3e6ca95c369e9210ceb">  254</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#af813d8e28b73a34bc9c9d492b1bf1cb9">pcl::IntegralImage2D&lt;DataType, 1&gt;::getSecondOrderSum</a> (</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> width, <span class="keywordtype">unsigned</span> height)<span class="keyword"> const</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = upper_left_idx + width;</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = (start_y + height) * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = lower_left_idx + width;</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160; </div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;  <span class="keywordflow">return</span> (second_order_integral_image_[lower_right_idx] + second_order_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;          second_order_integral_image_[upper_right_idx] - second_order_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;}</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160; </div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType&gt; <span class="keywordtype">unsigned</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d_3_01_data_type_00_011_01_4.html#a3ec33a468c6339bb6acdca9f752a5b32">  268</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#aa00fe3e093b0a36f865f2e8f5fda6f85">pcl::IntegralImage2D&lt;DataType, 1&gt;::getFiniteElementsCount</a> (</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> width, <span class="keywordtype">unsigned</span> height)<span class="keyword"> const</span></div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = upper_left_idx + width;</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = (start_y + height) * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = lower_left_idx + width;</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  <span class="keywordflow">return</span> (finite_values_integral_image_[lower_right_idx] + finite_values_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;          finite_values_integral_image_[upper_right_idx] - finite_values_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;}</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160; </div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType&gt; <span class="keyword">typename</span> <a class="code" href="classpcl_1_1_integral_image2_d.html">pcl::IntegralImage2D&lt;DataType, 1&gt;::ElementType</a></div>
<div class="line"><a name="l00282"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d_3_01_data_type_00_011_01_4.html#a88463a4a75f0337cb37392e7b0cebfa0">  282</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#a30cbef55397d0222caca466d770e4cd5">pcl::IntegralImage2D&lt;DataType, 1&gt;::getFirstOrderSumSE</a> (</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> end_x, <span class="keywordtype">unsigned</span> end_y)<span class="keyword"> const</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = start_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = end_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = end_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160; </div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;  <span class="keywordflow">return</span> (first_order_integral_image_[lower_right_idx] + first_order_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;          first_order_integral_image_[upper_right_idx] - first_order_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;}</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160; </div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType&gt; <span class="keyword">typename</span> <a class="code" href="classpcl_1_1_integral_image2_d.html">pcl::IntegralImage2D&lt;DataType, 1&gt;::SecondOrderType</a></div>
<div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d_3_01_data_type_00_011_01_4.html#a04c9d43acb5022c4eb838a5b2dba492f">  296</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#af420c9be60cc41e0af4406c84b286240">pcl::IntegralImage2D&lt;DataType, 1&gt;::getSecondOrderSumSE</a> (</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> end_x, <span class="keywordtype">unsigned</span> end_y)<span class="keyword"> const</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = start_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = end_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = end_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160; </div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;  <span class="keywordflow">return</span> (second_order_integral_image_[lower_right_idx] + second_order_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;          second_order_integral_image_[upper_right_idx] - second_order_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;}</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160; </div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType&gt; <span class="keywordtype">unsigned</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d_3_01_data_type_00_011_01_4.html#a33009613aa52ecc1e2089de9a59e2292">  310</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#afa15a2cacdd74265922635d908b1f4b7">pcl::IntegralImage2D&lt;DataType, 1&gt;::getFiniteElementsCountSE</a> (</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    <span class="keywordtype">unsigned</span> start_x, <span class="keywordtype">unsigned</span> start_y, <span class="keywordtype">unsigned</span> end_x, <span class="keywordtype">unsigned</span> end_y)<span class="keyword"> const</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_left_idx      = start_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> upper_right_idx     = start_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_left_idx      = end_y * (width_ + 1) + start_x;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> lower_right_idx     = end_y * (width_ + 1) + end_x;</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160; </div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;  <span class="keywordflow">return</span> (finite_values_integral_image_[lower_right_idx] + finite_values_integral_image_[upper_left_idx]  -</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;          finite_values_integral_image_[upper_right_idx] - finite_values_integral_image_[lower_left_idx]  );</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;}</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160; </div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> DataType&gt; <span class="keywordtype">void</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"><a class="line" href="classpcl_1_1_integral_image2_d_3_01_data_type_00_011_01_4.html#a3aa0214b00e8932c61158e37e9f76519">  324</a></span>&#160;<a class="code" href="classpcl_1_1_integral_image2_d.html#ae44e908bb0a14284a62be3c81eac454a">pcl::IntegralImage2D&lt;DataType, 1&gt;::computeIntegralImages</a> (</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    <span class="keyword">const</span> DataType *data, <span class="keywordtype">unsigned</span> row_stride, <span class="keywordtype">unsigned</span> element_stride)</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;{</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;  ElementType* previous_row = &amp;first_order_integral_image_[0];</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;  ElementType* current_row  = previous_row + (width_ + 1);</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;  memset (previous_row, 0, <span class="keyword">sizeof</span> (ElementType) * (width_ + 1));</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160; </div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;  <span class="keywordtype">unsigned</span>* count_previous_row = &amp;finite_values_integral_image_[0];</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;  <span class="keywordtype">unsigned</span>* count_current_row  = count_previous_row + (width_ + 1);</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;  memset (count_previous_row, 0, <span class="keyword">sizeof</span> (<span class="keywordtype">unsigned</span>) * (width_ + 1));</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160; </div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;  <span class="keywordflow">if</span> (!compute_second_order_integral_images_)</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;  {</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> rowIdx = 0; rowIdx &lt; height_; ++rowIdx, data += row_stride,</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;                                                previous_row = current_row, current_row += (width_ + 1),</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;                                                count_previous_row = count_current_row, count_current_row += (width_ + 1))</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    {</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;      current_row [0] = 0.0;</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;      count_current_row [0] = 0;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> colIdx = 0, valIdx = 0; colIdx &lt; width_; ++colIdx, valIdx += element_stride)</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;      {</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        current_row [colIdx + 1] = previous_row [colIdx + 1] + current_row [colIdx] - previous_row [colIdx];</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;        count_current_row [colIdx + 1] = count_previous_row [colIdx + 1] + count_current_row [colIdx] - count_previous_row [colIdx];</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;        <span class="keywordflow">if</span> (pcl_isfinite (data [valIdx]))</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;        {</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;          current_row [colIdx + 1] += data [valIdx];</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;          ++(count_current_row [colIdx + 1]);</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;        }</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;      }</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    }</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;  }</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;  {</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    SecondOrderType* so_previous_row = &amp;second_order_integral_image_[0];</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;    SecondOrderType* so_current_row  = so_previous_row + (width_ + 1);</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    memset (so_previous_row, 0, <span class="keyword">sizeof</span> (SecondOrderType) * (width_ + 1));</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160; </div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> rowIdx = 0; rowIdx &lt; height_; ++rowIdx, data += row_stride,</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;                                                previous_row = current_row, current_row += (width_ + 1),</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;                                                count_previous_row = count_current_row, count_current_row += (width_ + 1),</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;                                                so_previous_row = so_current_row, so_current_row += (width_ + 1))</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    {</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;      current_row [0] = 0.0;</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;      so_current_row [0] = 0.0;</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;      count_current_row [0] = 0;</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> colIdx = 0, valIdx = 0; colIdx &lt; width_; ++colIdx, valIdx += element_stride)</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;      {</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;        current_row [colIdx + 1] = previous_row [colIdx + 1] + current_row [colIdx] - previous_row [colIdx];</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;        so_current_row [colIdx + 1] = so_previous_row [colIdx + 1] + so_current_row [colIdx] - so_previous_row [colIdx];</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;        count_current_row [colIdx + 1] = count_previous_row [colIdx + 1] + count_current_row [colIdx] - count_previous_row [colIdx];</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;        <span class="keywordflow">if</span> (pcl_isfinite (data[valIdx]))</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;        {</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;          current_row [colIdx + 1] += data[valIdx];</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;          so_current_row [colIdx + 1] += data[valIdx] * data[valIdx];</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;          ++(count_current_row [colIdx + 1]);</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        }</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;      }</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    }</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;  }</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;}</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;<span class="preprocessor">#endif    </span><span class="comment">// PCL_INTEGRAL_IMAGE2D_IMPL_H_</span></div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160; </div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html">pcl::IntegralImage2D</a></div><div class="ttdoc">Determines an integral image representation for a given organized data array</div><div class="ttdef"><b>Definition:</b> integral_image2D.h:108</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_a0813af6ee503868e36e89f9bc2a641ea"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#a0813af6ee503868e36e89f9bc2a641ea">pcl::IntegralImage2D::setSecondOrderComputation</a></div><div class="ttdeci">void setSecondOrderComputation(bool compute_second_order_integral_images)</div><div class="ttdoc">sets the computation for second order integral images on or off.</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:47</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_a1fa9d35cbc83f17774f0aafe0be2053e"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#a1fa9d35cbc83f17774f0aafe0be2053e">pcl::IntegralImage2D::height_</a></div><div class="ttdeci">unsigned height_</div><div class="ttdoc">The height of the 2d input data array</div><div class="ttdef"><b>Definition:</b> integral_image2D.h:220</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_a30cbef55397d0222caca466d770e4cd5"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#a30cbef55397d0222caca466d770e4cd5">pcl::IntegralImage2D::getFirstOrderSumSE</a></div><div class="ttdeci">ElementType getFirstOrderSumSE(unsigned start_x, unsigned start_y, unsigned end_x, unsigned end_y) const</div><div class="ttdoc">Compute the first order sum within a given rectangle</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:112</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_a6d56eebef7f710414eec2a4a00727afb"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#a6d56eebef7f710414eec2a4a00727afb">pcl::IntegralImage2D::compute_second_order_integral_images_</a></div><div class="ttdeci">bool compute_second_order_integral_images_</div><div class="ttdoc">Indicates whether second order integral images are available</div><div class="ttdef"><b>Definition:</b> integral_image2D.h:223</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_a70bfd91805661121e56c107a98a5fd1c"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#a70bfd91805661121e56c107a98a5fd1c">pcl::IntegralImage2D::getFirstOrderSum</a></div><div class="ttdeci">ElementType getFirstOrderSum(unsigned start_x, unsigned start_y, unsigned width, unsigned height) const</div><div class="ttdoc">Compute the first order sum within a given rectangle</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:70</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_aa00fe3e093b0a36f865f2e8f5fda6f85"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#aa00fe3e093b0a36f865f2e8f5fda6f85">pcl::IntegralImage2D::getFiniteElementsCount</a></div><div class="ttdeci">unsigned getFiniteElementsCount(unsigned start_x, unsigned start_y, unsigned width, unsigned height) const</div><div class="ttdoc">Compute the number of finite elements within a given rectangle</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:98</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_abd371cbb789dc494ed6af29faf2f6502"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#abd371cbb789dc494ed6af29faf2f6502">pcl::IntegralImage2D::setInput</a></div><div class="ttdeci">void setInput(const DataType *data, unsigned width, unsigned height, unsigned element_stride, unsigned row_stride)</div><div class="ttdoc">Set the input data to compute the integral image for</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:54</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_ac5811fffe72ca4ca16a0cc91ae124947"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#ac5811fffe72ca4ca16a0cc91ae124947">pcl::IntegralImage2D::width_</a></div><div class="ttdeci">unsigned width_</div><div class="ttdoc">The width of the 2d input data array</div><div class="ttdef"><b>Definition:</b> integral_image2D.h:218</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_ae44e908bb0a14284a62be3c81eac454a"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#ae44e908bb0a14284a62be3c81eac454a">pcl::IntegralImage2D::computeIntegralImages</a></div><div class="ttdeci">void computeIntegralImages(const DataType *data, unsigned row_stride, unsigned element_stride)</div><div class="ttdoc">Compute the actual integral image data</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:154</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_af420c9be60cc41e0af4406c84b286240"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#af420c9be60cc41e0af4406c84b286240">pcl::IntegralImage2D::getSecondOrderSumSE</a></div><div class="ttdeci">SecondOrderType getSecondOrderSumSE(unsigned start_x, unsigned start_y, unsigned end_x, unsigned end_y) const</div><div class="ttdoc">Compute the second order sum within a given rectangle</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:126</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_af813d8e28b73a34bc9c9d492b1bf1cb9"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#af813d8e28b73a34bc9c9d492b1bf1cb9">pcl::IntegralImage2D::getSecondOrderSum</a></div><div class="ttdeci">SecondOrderType getSecondOrderSum(unsigned start_x, unsigned start_y, unsigned width, unsigned height) const</div><div class="ttdoc">Compute the second order sum within a given rectangle</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:84</div></div>
<div class="ttc" id="aclasspcl_1_1_integral_image2_d_html_afa15a2cacdd74265922635d908b1f4b7"><div class="ttname"><a href="classpcl_1_1_integral_image2_d.html#afa15a2cacdd74265922635d908b1f4b7">pcl::IntegralImage2D::getFiniteElementsCountSE</a></div><div class="ttdeci">unsigned getFiniteElementsCountSE(unsigned start_x, unsigned start_y, unsigned end_x, unsigned end_y) const</div><div class="ttdoc">Compute the number of finite elements within a given rectangle</div><div class="ttdef"><b>Definition:</b> integral_image2D.hpp:140</div></div>
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